First published: Tue Aug 08 2017(Updated: )
When an "iframe" has a "sandbox" attribute and its content is specified using "srcdoc", that content does not inherit the containing page's Content Security Policy (CSP) as it should unless the sandbox attribute included "allow-same-origin". This vulnerability affects Firefox < 55.
Credit: security@mozilla.org
Affected Software | Affected Version | How to fix |
---|---|---|
Mozilla Firefox | <55 | 55 |
<55 | 55 | |
Mozilla Firefox | <55.0 |
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(Found alongside the following vulnerabilities)
CVE-2017-7788 is considered a moderate severity vulnerability.
To fix CVE-2017-7788, update Firefox to version 55 or later.
CVE-2017-7788 affects Firefox versions before 55.
CVE-2017-7788 is a vulnerability related to the handling of iframe sandbox attributes and Content Security Policy.
If exploited, CVE-2017-7788 can allow an iframe to bypass the intended Content Security Policy, possibly leading to security breaches.